How to Reset a Casio FX-991EX or FX-570EX CLASSWIZ Calculator

How to Reset Casio Classwiz Calculator fx-991Ex / fx-991Es / fx-570Es

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How to reset memory on Casio fx-991EX Classwiz, Check out this video to learn how to reset memory and use it on your favourite calculator - Casio fx -991EX Classwiz.